dam, aquifer, reservior, basin, forebay, lake, tributary, groundwater, spillway, water, watercourse, wells, weir, dike, embayment, river basin, river, feitsui, aqueduct, ponds, headwaters, oxbow, downstream, flowage, cofferdam, bighorn river, hydrological, sediment, flume, creek, outfall, headwater, murrumbidgee river, soakaway, freshet, canal, tailrace, headrace, sewage, wastewater, sump, pumping station, upflow, sedimentation, seawater, sluices, cavern, brahmaputra river, millrace, freshwater, silt, meltwater, wetland, artesian, effluent, subsurface, slurry, leachate, neocomian, pumpage, coulee, lagoons, streambed, inlet, zechstein, catchment, coal seam, seepage, sluiceway, estuary, pipeline, riverbed, drainage ditch, brine, underdrain, drainage basin, levee, tailings, waterflood, hydrograph, underflow, septic tank, alluvial soil, watersheds, culvert, clarifiers, gravels, permeabilities, turbidity, shallowing, millpond, penstock, waterway, drainage, borehole, cistern, syr darya, anticline, wellhead, floodplain, diatomite, waterfall, reservoirs, granary, sink, sewer, tank, vat, storehouse, storehouses, chamber, conduit, drain, caches, cave, corral, depot, granaries, pool, cavity, coolant, canopy, hydraulic, cylinder, hydrodynamic, machine, compartment, cooling, coupling, hydrodynamical, nonadiabatic, electrodynamic, electrostatic, fill, geothermal, mechanical, nearshore, nonisothermal

cistern, sump, water tower

catchment area, catchment basin, cistern, depress, drainage area, drainage basin, faucet, fountain pen, heat pump, hydraulic pump, hydraulic ram, lake mead, lake victoria, sump, transmission mechanism, victoria nyanza, water gage, water gauge, water glass, water tower

water, water supply, water system

lake, storage tank, supply, tank

artificial lake